21375241114524 has 72 divisors (see below), whose sum is σ = 54826811339664. Its totient is φ = 6476765433600.

The previous prime is 21375241114517. The next prime is 21375241114531. The reversal of 21375241114524 is 42541114257312.

It is an interprime number because it is at equal distance from previous prime (21375241114517) and next prime (21375241114531).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15691294 + ... + 16999034.

Almost surely, 2^{21375241114524} is an apocalyptic number.

It is an amenable number.

21375241114524 is an abundant number, since it is smaller than the sum of its proper divisors (33451570225140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21375241114524 is a wasteful number, since it uses less digits than its factorization.

21375241114524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319027 (or 1319014 counting only the distinct ones).

The product of its digits is 268800, while the sum is 42.

The spelling of 21375241114524 in words is "twenty-one trillion, three hundred seventy-five billion, two hundred forty-one million, one hundred fourteen thousand, five hundred twenty-four".